Camera Optical Lens

ABSTRACT

The present invention discloses a camera optical lens including, from an object side to an image side in sequence, a first lens having a positive refractive power, a second lens having refractive power, a third lens having a negative refractive power, a fourth lens having a positive refractive power, and a fifth lens having a negative refractive power. The camera optical lens satisfies the following conditions: 1.20≤f1/f≤3.00, -8.00≤f5/f≤-2.00, 3.00≤d5/d6≤10.00, and -1.00≤(R3+R4)/(R3-R4)≤0. The camera optical lens according to the present invention has excellent optical characteristics, such as large aperture, wide angle, and ultra-thin.

FIELD OF THE PRESENT INVENTION

The present invention relates to the field of optical lens, and moreparticularly, to a camera optical lens suitable for handheld terminaldevices, such as smart phones and digital cameras, and imaging devices,such as monitors or PC lenses.

DESCRIPTION OF RELATED ART

In recent years, with the rise of various smart devices, the demand forminiaturized camera optics has been increasing, and the pixel size ofphotosensitive devices has shrunk, coupled with the development trend ofelectronic products with good functions, thin and portable appearance.Therefore, miniaturized imaging optical lenses with good image qualityhave become the mainstream in the current market. In order to obtainbetter imaging quality, a multi-piece lens structure is often used.Moreover, with the development of technology and the increase ofdiversified needs of users, as the pixel area of the photosensitivedevice continues to shrink and the system’s requirements for imagequality continue to increase, the five-element lenses structuregradually appears in the lens design. There is an urgent need for awide-angle imaging lens with excellent optical characteristics, smallsize, and fully corrected aberrations.

SUMMARY

In the present invention, a cameral optical lens has excellent opticalcharacteristics with large aperture, ultra-thin and wide angle.

According to one aspect of the present invention, a camera optical lenscomprises, from an object side to an image side in sequence, a firstlens having a positive refractive power, a second lens having refractivepower, a third lens having a negative refractive power, a fourth lenshaving a positive refractive power, and a fifth lens having a negativerefractive power. The camera optical lens satisfies the followingconditions: 1.20≤f1/f≤3.00, -8.00≤f5/f≤-2.00, 3.00≤d5/d6≤10.00, and-1.00≤(R3+R4)/(R3-R4)≤0. f denotes a focal length of the camera opticallens, f1 denotes a focal length of the first lens, R3 denotes a centralcurvature radius of an object side surface of the second lens, R4denotes a central curvature radius of an image side surface of thesecond lens, d5 denotes an on-axis thickness of the third lens, d6denotes an on-axis distance from an image side surface of the third lensto an object side surface of the fourth lens, and f5 denotes a focallength of the fifth lens.

As an improvement, the camera optical lens further satisfies thefollowing condition: 2.00≤R7/R8≤15.00. R7 denotes a central curvatureradius of the object side surface of the fourth lens, and R8 denotes acentral curvature radius of an image side surface of the fourth lens.

As an improvement, the first lens has an object side surface beingconvex in a paraxial region and an image side surface being convex inthe paraxial region. The camera optical lens further satisfies thefollowing conditions: -1.96≤(R1+R2)/(R1-R2)≤-0.06 and 0.04≤d1/TTL≤0.22.R1 denotes a central curvature radius of the object side surface of thefirst lens, R2 denotes a central curvature radius of the image sidesurface of the first lens, d1 denotes an on-axis thickness of the firstlens, and TTL denotes a total optical length from the object sidesurface of the first lens of the camera optical lens to an image surfaceof the camera optical lens along an optical axis.

As an improvement, the camera optical lens further satisfies thefollowing conditions: f2/f≤135.44 and 0.05<d3/TTL<0.24. f2 denotes afocal length of the second lens, d3 denotes an on-axis thickness of thesecond lens, and TTL denotes a total optical length from an object sidesurface of the first lens of the camera optical lens to an image surfaceof the camera optical lens along an optical axis.

As an improvement, the third lens has an object side surface beingconcave in a paraxial region and the image side surface of the thirdlens is convex in the paraxial region. The camera optical lens furthersatisfies the following conditions: -3.43≤f3/f≤-0.95,-5.46≤(RS+R6)/(RS-R6)≤-1.09, and 0.03≤d5/TTL≤0.12. f3 denotes a focallength of the third lens, R5 denotes a central curvature radius of theobject side surface of the third lens, R6 denotes a central curvatureradius of the image side surface of the third lens, and TTL denotes atotal optical length from an object side surface of the first lens ofthe camera optical lens to an image surface of the camera optical lensalong an optical axis.

As an improvement, the object side surface of the fourth lens is concavein a paraxial region and the fourth lens has an image side surface beingconvex in the paraxial region. The camera optical lens further satisfiesthe following conditions: 0.43≤f4/f≤1.84, 0.57≤(R7+R8)/(R7-R8)≤4.44, and0.06<d7/TTL<0.27. f4 denotes a focal length of the fourth lens, d7denotes an on-axis thickness of the fourth lens, R7 denotes a centralcurvature radius of the object side surface of the fourth lens, and R8denotes a central curvature radius of the image side surface of thefourth lens, and TTL denotes a total optical length from an object sidesurface of a first lens of the camera optical lens to an image surfaceof the camera optical lens along an optical axis.

As an improvement, the fifth lens has an object side surface beingconvex in a paraxial region and an image side surface being concave inthe paraxial region. The camera optical lens further satisfies thefollowing conditions: 2.14≤(R9+R10)/(R9-R10)≤9.13 and 0.04≤d9/TTL≤0.25.R9 denotes a central curvature radius of the object side surface of thefifth lens, R10 denotes a central curvature radius of the image sidesurface of the fifth lens, d9 denotes an on-axis thickness of the fifthlens, and TTL denotes a total optical length from an object side surfaceof a first lens of the camera optical lens to an image surface of thecamera optical lens along an optical axis.

As an improvement, the camera optical lens further satisfies thefollowing condition: 0.63≤f12/f≤2.61. f12 denotes a combined focallength of the first lens and the second lens.

As an improvement, the camera optical lens further satisfies thefollowing condition: FOV≥102.7°. FOV denotes a field of view of thecamera optical lens in a diagonal direction.

As an improvement, the camera optical lens further satisfies thefollowing condition: TTL/IH≤1.47. IH denotes an image height of thecamera optical lens, and TTL denotes a total optical length from anobject side surface of the first lens of the camera optical lens to animage surface of the camera optical lens along an optical axis.

BRIEF DESCRIPTION OF THE DRAWINGS

In order to explain the technical solutions in the embodiments of thepresent invention more clearly, the following will briefly introduce thedrawings that need to be used in the description of the embodiments.Obviously, the drawings in the following description are only someembodiments of the present invention. For those of ordinary skill in theart, without creative work, other drawings can be obtained based onthese drawings, among which:

FIG. 1 is a schematic diagram of a structure of a camera optical lens inaccordance with Embodiment 1 of the present invention;

FIG. 2 is a schematic diagram of a longitudinal aberration of the cameraoptical lens shown in FIG. 1 ;

FIG. 3 is a schematic diagram of a lateral color of the camera opticallens shown in FIG. 1 ;

FIG. 4 is a schematic diagram of a field curvature and a distortion ofthe camera optical lens shown in FIG. 1 ;

FIG. 5 is a schematic diagram of a structure of a camera optical lens inaccordance with Embodiment 2 of the present invention;

FIG. 6 is a schematic diagram of a longitudinal aberration of the cameraoptical lens shown in FIG. 5 ;

FIG. 7 is a schematic diagram of a lateral color of the camera opticallens shown in FIG. 5 ;

FIG. 8 is a schematic diagram of a field curvature and a distortion ofthe camera optical lens shown in FIG. 5 ;

FIG. 9 is a schematic diagram of a structure of a camera optical lens inaccordance with Embodiment 3 of the present invention;

FIG. 10 is a schematic diagram of a longitudinal aberration of thecamera optical lens shown in FIG. 9 ;

FIG. 11 is a schematic diagram of a lateral color of the camera opticallens shown in FIG. 9 ; and

FIG. 12 is a schematic diagram of a field curvature and a distortion ofthe camera optical lens shown in FIG. 9 .

FIG. 13 is a schematic diagram of a structure of a camera optical lensin accordance with Embodiment 4 of the present invention;

FIG. 14 is a schematic diagram of a longitudinal aberration of thecamera optical lens shown in FIG. 13 ;

FIG. 15 is a schematic diagram of a lateral color of the camera opticallens shown in FIG. 13 ;

FIG. 16 is a schematic diagram of a field curvature and a distortion ofthe camera optical lens shown in FIG. 13 .

FIG. 17 is a schematic diagram of a structure of a camera optical lensin accordance with Comparative Embodiment;

FIG. 18 is a schematic diagram of a longitudinal aberration of thecamera optical lens shown in FIG. 17 ;

FIG. 19 is a schematic diagram of a lateral color of the camera opticallens shown in FIG. 17 ; and

FIG. 20 is a schematic diagram of a field curvature and a distortion ofthe camera optical lens shown in FIG. 17 .

DETAILED DESCRIPTION OF THE EXEMPLARY EMBODIMENTS

In order to make the objects, technical solutions, and advantages of thepresent invention more apparent, the embodiments of the presentinvention will be described in detail below. However, it will beapparent to the one skilled in the art that, in the various embodimentsof the present invention, a number of technical details are presented inorder to provide the reader with a better understanding of theinvention. However, the technical solutions claimed in the presentinvention can be implemented without these technical details and variouschanges and modifications based on the following embodiments.

Embodiment 1

As referring to the accompanying drawings, the present inventionprovides a camera optical lens 10. FIG. 1 shows the camera optical lens10 according to embodiment 1 of the present invention. The cameraoptical lens 10 comprises five lenses. Specifically, from an object sideto an image side, the camera optical lens 10 comprises in sequence: anaperture S1, a first lens L1, a second lens L2, a third lens L3, afourth lens L4 and a fifth lens L5. Optical elements like optical filterGF can be arranged between the fifth lens L5 and an image surface Si.

The first lens L1 has a positive refractive power. The second lens L2has a positive refractive power. The third lens L3 has a negativerefractive power. The fourth lens L4 has a positive refractive power.The fifth lens L5 has a negative refractive power. In other optionalembodiments, a refractive power of each lens may also be made of otheroptions.

The first lens L1 is made of plastic material, the second lens L2 ismade of plastic material, the third lens L3 is made of plastic material,the fourth lens L4 is made of plastic material and the fifth lens L5 ismade of plastic material. In other optional embodiments, each lens mayalso be made of other materials.

A focal length of the camera optical lens 10 is defined as f. A focallength of the first lens L1 is defined as f1. The camera optical lens 10further satisfies the following condition: 1.20≤f1/f≤3.00, whichspecifies a ratio of the focal length f1 of the first lens L1 to thefocal length f of the camera optical lens 10. When the value is withinthis range, an amount of the field curvature of the camera optical lens10 can be effectively balanced so that an offset amount of the fieldcurvature of a center field lower than 0.03 mm.

The focal length of the camera optical lens 10 is defined as f, A focallength of the fifth lens L5 is defined as f5. The camera optical lens 10further satisfies the following condition: -8.00≤f5/f≤-2.00, whichspecifies a ratio of the focal length f5 of the fifth lens L5 to thefocal length f of the camera optical lens 10. When the value is withinthis range, by a reasonable distribution of the refractive power, whichmakes it is possible that the camera optical lens 10 has an excellentimaging quality and a lower sensitivity.

An on-axis thickness of the third lens L3 is defined as d5. An on-axisdistance from the image side surface of the third lens L3 to the objectside surface of the fourth lens L4 is defined as d6. The camera opticallens 10 further satisfies the following condition: 3.00≤d5/d6≤10.00,which specifies a ratio of the on-axis thickness d5 of the third lens L3to the on-axis distance from the image side surface of the third lens L3to the object side surface of the fourth lens L4. When the value iswithin this range, it benefits for reducing a total optical length,thereby realizing an ultra-thin effect.

A central curvature radius of an object side surface of the second lensL2 is defined as R3, and a central curvature radius of an image sidesurface of the second lens L2 is defined as R4. The camera optical lens10 further satisfies the following condition: -1.00≤(R3+R4)/(R3-R4)≤0,which specifies a shape of the second lens L2. When the value is withinthis range, which can reduce a deflection of light and effectivelycorrect a chromatism, so that the chromatism |LC|≤3.0 µm.

A central curvature radius of an object side surface of the fourth lensL4 is defined as R7, and a central curvature radius of an image sidesurface of the fourth lens L4 is defined as R8. The camera optical lensfurther satisfies the following condition: 2.00≤R7/R8≤15.00, whichspecifies a shape of the fourth lens L4. When the value is within thisrange, it is beneficial for correcting astigmatism and distortion of thecamera optical lens so that |Distortion|≤11% , and so that thebrightness or saturation can be maintained.

In the present embodiment, an object side surface of the first lens L1is convex in a paraxial region and an image side surface of the firstlens L1 is convex in the paraxial region. In other optional embodiments,the object side surface and the image side surface of the first lens L1can also be set to other concave and convex distribution situations.

A central curvature radius of the object side surface of the first lensL1 is defined as R1, and a central curvature radius of the image sidesurface of the first lens L1 is defined as R2. The camera optical lens10 further satisfies the following condition:-1.96≤(R1+R2)/(R1-R2)≤-0.06. This condition reasonably controls a shapeof the first lens L1, so that the first lens L1 can effectively correcta spherical aberration of the camera optical lens 10. Preferably, thefollowing condition shall be satisfied, -1.22≤(R1+R2)/(R1-R2)≤-0.08.

An on-axis thickness of the first lens L1 is defined as d1. A totaloptical length from the object side surface of the first lens L1 to theimage surface Si of the camera optical lens 10 along an optical axis isdefined as TTL. The camera optical lens 10 further satisfies thefollowing condition: 0.04≤d1/TTL≤0.22. When the value is within thisrange, it benefits for realizing the ultra-thin effect. Preferably, thefollowing condition shall be satisfied, 0.06≤d1/TTL≤0.18.

In the present embodiment, the object side surface of the second lens L2is convex in the paraxial region and the image side surface of thesecond lens L2 is convex in the paraxial region. In other optionalembodiments, the object side surface and the image side surface of thesecond lens L2 can also be set to other concave and convex distributionsituations.

The focal length of the camera optical lens 10 is defined as f, and afocal length of the second lens L2 is defined as f2. The camera opticallens 10 further satisfies the following condition: f2/f≤135.44. By areasonable distribution of the refractive power, which makes it ispossible that the camera optical lens 10 has the excellent imagingquality and the lower sensitivity. Preferably, the following conditionshall be satisfied, f2/f≤108.36.

An on-axis thickness of the second lens L2 is defined as d3. The totaloptical length from the object side surface of the first lens L1 to theimage surface Si of the camera optical lens 10 along the optical axis isdefined as TTL. The camera optical lens 10 further satisfies thefollowing condition: 0.05≤d3/TTL≤0.24. When the value is within thisrange, it benefits for realizing the ultra-thin effect. Preferably, thefollowing condition shall be satisfied, 0.07≤d3/TTL≤0.19.

In the present embodiment, an object side surface of the third lens L3is concave in the paraxial region and an image side surface of the thirdlens L3 is convex in the paraxial region. In other optional embodiments,the object side surface and the image side surface of the third lens L3can also be set to other concave and convex distribution situations.

The focal length of the camera optical lens 10 is defined as f, and afocal length of the third lens L3 is defined as f3. The camera opticallens 10 further satisfies the following condition: -3.43≤f3/f≤-0.95. Bya reasonable distribution of the refractive power, which makes it ispossible that the camera optical lens 10 has the excellent imagingquality and the lower sensitivity. Preferably, the following conditionshall be satisfied, -2.15≤f3/f≤-1.19.

A central curvature radius of the object side surface of the third lensL3 is defined as R5, and a central curvature radius of the image sidesurface of the third lens L3 is defined as R6. The camera optical lens10 further satisfies the following condition:-5.46≤(RS+R6)/(RS-R6)≤-1.09, which specifies a shape of the third lensl3. It benefits for molding of the third lens L3. When the value iswithin this range, a degree of deflection of light passing through thelens can be alleviated, and an aberration can be reduced effectively.Preferably, the following condition shall be satisfied,-3.41≤(R5+R6)/(R5-R6)≤-1.36.

An on-axis thickness of the third lens L3 is defined as d5. The totaloptical length from the object side surface of the first lens L1 to theimage surface Si of the camera optical lens 10 along the optical axis isdefined as TTL. The camera optical lens 10 further satisfies thefollowing condition: 0.03≤d5/TTL≤0.12, which benefits for realizing theultra-thin effect. Preferably, the following condition shall besatisfied, 0.04≤d5/TTL≤0.09.

In the present embodiment, the object side surface of the fourth lens L4is concave in the paraxial region and the image side surface of thefourth lens L4 is convex in the paraxial region. In other optionalembodiments, the object side surface and the image side surface of thefourth lens L4 can also be set to other concave and convex distributionsituations.

The focal length of the camera optical lens 10 is defined as f, and afocal length of the fourth lens L4 is defined as f4. The camera opticallens 10 further satisfies the following condition: 0.43≤f4/f≤1.84. By areasonable distribution of the refractive power, which makes it ispossible that the camera optical lens 10 has the excellent imagingquality and the lower sensitivity. Preferably, the following conditionshall be satisfied, 0.68≤f4/f≤1.47.

The curvature radius of the object side surface of the fourth lens L4 isdefined as R7, and the central curvature radius of the image sidesurface of the fourth lens L4 is defined as R8. The camera optical lensfurther satisfies the following condition: 0.57≤(R7+R8)/(R7-R8)≤4.44,which specifies a shape of the fourth lens L4. When the value is withinthis range, as the development of the ultra-thin and wide-angle lenses,it benefits for solving the problems, such as correcting an off-axisaberration. Preferably, the following condition shall be satisfied,0.92≤(R7+R8)/(R7-R8)≤3.55.

An on-axis thickness of the fourth lens L4 is defined as d7. The totaloptical length from the object side surface of the first lens L1 to theimage surface Si of the camera optical lens 10 along the optical axis isdefined as TTL. The camera optical lens 10 further satisfies thefollowing condition: 0.06≤d7/TTL≤0.27, which benefits for realizing theultra-thin effect. Preferably, the following condition shall besatisfied, 0.10≤d7/TTL≤0.22.

In the present embodiment, an object side surface of the fifth lens L5is convex in the paraxial region and an image side surface of the fifthlens L5 is concave in the paraxial region. In other optionalembodiments, the object side surface and the image side surface of thefifth lens L5 can also be set to other concave and convex distributionsituations.

The focal length of the camera optical lens 10 is defined as f, and afocal length of the fifth lens L5 is defined as f5. The camera opticallens 10 further satisfies the following condition: -14.55≤f5/f≤-1.58,when the value is within this range, a light angle of the camera opticallens 10 can be smoothed effectively and the sensitivity of the tolerancecan be reduced. Preferably, the following condition shall be satisfied,-9.10≤f5/f≤-1.98.

A central curvature radius of the object side surface of the fifth lensL5 is defined as R9, and a central curvature radius of the image sidesurface of the fifth lens L5 is defined as R10. The camera optical lensfurther satisfies the following condition: 2.14≤(R9+R10)/(R9-R10)≤9.13,which specifies a shape of the fifth lens L5. When the value is withinthis range, as the development of the ultra-thin and wide-angle lenses,it benefits for solving the problems, such as correcting the off-axisaberration. Preferably, the following condition shall be satisfied,3.42≤(R9+R10)/(R9-R10)≤7.30.

An on-axis thickness of the fifth lens L5 is defined as d9. The totaloptical length from the object side surface of the first lens L1 to theimage surface Si of the camera optical lens 10 along the optical axis isdefined as TTL. The camera optical lens 10 further satisfies thefollowing condition: 0.04≤d9/TTL≤0.25. When the value is within thisrange, it benefits for realizing the ultra-thin effect. Preferably, thefollowing condition shall be satisfied, 0.07≤d9/TTL≤0.20.

In the present embodiment, the focal length of the camera optical lens10 is f, and a combined focal length of the first lens L1 and the secondlens L2 is defined as f12. The camera optical lens 10 further satisfiesthe following condition: 0.63≤f12/f≤2.61. This condition can eliminateaberration and a distortion of the camera optical lens 10, reduce a backfocal length of the camera optical lens 10, and maintain theminiaturization of the camera lens system group. Preferably, thefollowing condition shall be satisfied, 1.00≤f12/f≤2.09.

In the present embodiment, a field of view of the camera optical lens 10in a diagonal direction is defined as FOV. The FOV is greater than orequal to 102.70°, thereby achieving the wide-angle performance.Preferably, the FOV is greater than or equal to 104.00°.

In the present embodiment, an image height of the camera optical lens 10is defined as IH. The total optical length from the object side surfaceof the first lens L1 to the image surface Si of the camera optical lens10 along an optical axis is defined as TTL. The camera optical lens 10further satisfies the following condition: TTL/IH≤1.47, therebyachieving the ultra-thin performance. Preferably, the followingcondition shall be satisfied, TTL/IH≤1.41.

In the present embodiment, an F number (FNO) of the camera optical lens10 is smaller than or equal to 2.36, thereby achieving a large apertureand good imaging performance. Preferably, the FNO of the camera opticallens 10 is smaller than or equal to 2.30.

When satisfying above conditions, which makes it is possible that thecamera optical lens has excellent optical performances, and meanwhilecan meet design requirements of an ultra-thin, wide-angle lenses havinglarge aperture. According the characteristics of the camera optical lens10, it is particularly suitable for a mobile camera lens component and aWEB camera lens composed of high pixel CCD, CMOS.

The following examples will be used to describe the camera optical lens10 of the present invention. The symbols recorded in each example willbe described as follows. The focal length, on-axis distance, centralcurvature radius, on-axis thickness, inflexion point position, andarrest point position are all in units of mm.

TTL: the total optical length from the object side surface of the firstlens L1 to the image surface Si of the camera optical lens 10 along theoptical axis, the unit of TTL is mm.

F number (FNO): the ratio of an effective focal length of the cameraoptical lens 10 to an entrance pupil diameter (ENPD).

Preferably, inflexion points and / or arrest points can also be arrangedon the object side surface and / or image side surface of the lens, sothat the demand for high quality imaging can be satisfied, thedescription below can be referred for specific implementable scheme.

The design information of the camera optical lens 10 in Embodiment 1 ofthe present invention is shown in the tables 1 and 2.

TABLE 1 R d nd vd S1 ∞ d0= 0.006 R1 2.976 d1= 0.358 nd1 1.5444 v1 55.95R2 -13.821 d2= 0.244 R3 10.416 d3= 0.407 nd2 1.5444 v2 55.95 R4 -12.215d4= 0.227 R5 -1.464 d5= 0.230 nd3 1.6700 v3 19.24 R6 -3.155 d6= 0.030 R7-6.189 d7= 0.620 nd4 1.5444 v4 55.95 R8 -1.278 d8= 0.032 R9 1.114 d9=0.660 nd5 1.5346 v5 56.12 R10 0.708 d10= 0.672 R11 ∞ d11= 0.210 ndg1.5168 vg 64.17 R12 ∞ d12= 0.280

where, the meaning of the various symbols is as follows.

S1: aperture;

R: curvature radius of an optical surface, a central curvature radiusfor a lens;

R1: central curvature radius of the object side surface of the firstlens L1;

R2: central curvature radius of the image side surface of the first lensL1;

R3: central curvature radius of the object side surface of the secondlens L2;

R4: central curvature radius of the image side surface of the secondlens L2;

R5: central curvature radius of the object side surface of the thirdlens L3;

R6: central curvature radius of the image side surface of the third lensL3;

R7: central curvature radius of the object side surface of the fourthlens L4;

R8: central curvature radius of the image side surface of the fourthlens L4;

R9: central curvature radius of the object side surface of the fifthlens L5;

R10: central curvature radius of the image side surface of the fifthlens L5;

R11: central curvature radius of an object side surface of the opticalfilter GF;

R12: curvature radius of an image side surface of the optical filter GF;

d: on-axis thickness of a lens and an on-axis distance between lenses;

d0: on-axis distance from the aperture S1 to the object side surface ofthe first lens L1;

d1: on-axis thickness of the first lens L1;

d2: on-axis distance from the image side surface of the first lens L1 tothe object side surface of the second lens L2;

d3: on-axis thickness of the second lens L2;

d4: on-axis distance from the image side surface of the second lens L2to the object side surface of the third lens L3;

d5: on-axis thickness of the third lens L3;

d6: on-axis distance from the image side surface of the third lens L3 tothe object side surface of the fourth lens L4;

d7: on-axis thickness of the fourth lens L4;

d8: on-axis distance from the image side surface of the fourth lens L4to the object side surface of the fifth lens L5;

d9: on-axis thickness of the fifth lens L5;

d10: on-axis distance from the image side surface of the fifth lens L5to the object side surface of the optical filter GF;

d11: on-axis thickness of the optical filter GF;

d12: on-axis distance from the image side surface of the optical filterGF to the image surface;

nd: refractive index of d line (d-line is green light with a wavelengthof 550 nm);

nd1: refractive index of d line of the first lens L1;

nd2: refractive index of d line of the second lens L2;

nd3: refractive index of d line of the third lens L3;

nd4: refractive index of d line of the fourth lens L4;

nd5: refractive index of d line of the fifth lens L5;

ndg: refractive index of d line of the optical filter GF;

vd: abbe number;

v1: abbe number of the first lens L1;

v2: abbe number of the second lens L2;

v3: abbe number of the third lens L3;

v4: abbe number of the fourth lens L4;

v5: abbe number of the fifth lens L5;

vg: abbe number of the optical filter GF;

Table 2 shows the aspherical surface data of the camera optical lens 10in Embodiment 1 of the present invention.

TABLE 2 Conic coefficient Aspheric surface coefficients k A4 A6 A8 A10A12 R1 -6.9126E+01 3.4333E-01 -5.5663E+00 6.8877E+01 -6.1759E+023.6030E+03 R2 2.6158E+02 -2.7187E-01 -3.0595E-01 -1.2533E+00 3.1850E+01-2.5300E+02 R3 1.4398E+02 -5.8892E-01 3.9316E+00 -3.2020E+01 1.5593E+02-4.9290E+02 R4 -1.6982E+02 -6.7899E-01 1.8555E+00 -4.2456E+00 4.2219E-011.5666E+01 R5 1.1716E+00 -2.1767E+00 8.8733E+00 -1.5859E+01 -5.2407E+009.5049E+01 R6 -3.4142E+01 -1.3696E+00 5.7869E+00 -1.8747E+01 4.1184E+01-5.7975E+01 R7 -5.7956E+01 1.1474E+00 -3.2573E+00 5.5971E+00 -6.4794E+005.1539E+00 R8 -2.7374E+00 3.7229E-01 6.4047E-02 -1.2894E+00 2.1210E+00-1.7656E+00 R9 -3.8775E+00 -1.9129E-01 8.7870E-02 -2.1559E-01 2.3533E-01-1.2376E-01 R10 -3.7553E+00 -4.7008E-02 -4.6129E-02 5.9133E-02-3.4118E-02 1.1781E-02 Conic coefficient Aspheric surface coefficients kA14 A16 A18 A20 R1 -6.9126E+01 -1.3498E+04 3.1262E+04 -4.0714E+042.2790E+04 R2 2.6158E+02 1.0286E+03 -2.3076E+03 2.7182E+03 -1.3056E+03R3 1.4398E+02 1.0067E+03 -1.2700E+03 8.9986E+02 -2.7394E+02 R4-1.6982E+02 -2.6263E+01 1.0568E+01 8.0945E+00 -5.6499E+00 R5 1.1716E+00-2.1466E+02 2.3495E+02 -1.2961E+02 2.8802E+01 R6 -3.4142E+01 5.1469E+01-2.7855E+01 8.4091E+00 -1.0886E+00 R7 -5.7956E+01 -2.7807E+00 9.6900E-01-1.9578E-01 1.7321E-02 R8 -2.7374E+00 8.6743E-01 -2.5449E-01 4.1271E-02-2.8473E-03 R9 -3.8775E+00 3.7345E-02 -6.8183E-03 7.1825E-04 -3.4033E-05R10 -3.7553E+00 -2.5395E-03 3.3425E-04 -2.4579E-05 7.7412E-07

For convenience, an aspheric surface of each lens surface uses theaspheric surfaces shown in the below condition (1). However, the presentinvention is not limited to the aspherical polynomials form shown in thecondition (1)

$\begin{array}{l}{\text{z=}\left( \text{cr}^{\text{2}} \right)\text{/}\left\{ {\text{1+}\left\lbrack {\text{1-}\left( \text{k+1} \right)\left( {\text{c}^{\text{2}}\text{r}^{\text{2}}} \right)} \right\rbrack^{\text{1/2}}} \right\}\text{+}} \\{\text{A4r}^{\text{4}}\text{+A6r}^{\text{6}}\text{+A8r}^{\text{8}}\text{+A10r}^{\text{10}}\text{+A12r}^{\text{12}}} \\{\text{+A14r}^{\text{14}}\text{+A16r}^{\text{16}}\text{+A18r}^{\text{18}}\text{+A20r}^{\text{20}}}\end{array}$

Where, K is a conic coefficient, A4, A6, A8, A10, A12, A14, A16, A18,A20 are aspheric surface coefficients. c is the curvature at the centerof the optical surface. r is a vertical distance between a point on anaspherical curve and the optic axis, and z is an aspherical depth (avertical distance between a point on an aspherical surface, having adistance of r from the optic axis, and a surface tangent to a vertex ofthe aspherical surface on the optic axis).

Table 3 and Table 4 show design data of inflexion points and arrestpoints of respective lens in the camera optical lens 10 according toEmbodiment 1 of the present invention. P1R1 and P1R2 represent theobject side surface and the image side surface of the first lens L1,P2R1 and P2R2 represent the object side surface and the image sidesurface of the second lens L2, P3R1 and P3R2 represent the object sidesurface and the image side surface of the third lens L3, P4R1 and P4R2represent the object side surface and the image side surface of thefourth lens L4, and P5R1 and P5R2 represent the object side surface andthe image side surface of the fifth lens L5. The data in the columnnamed “inflexion point position” refers to vertical distances frominflexion points arranged on each lens surface to the optical axis ofthe camera optical lens 10. The data in the column named “arrest pointposition” refers to vertical distances from arrest points arranged oneach lens surface to the optical axis of the camera optical lens 10.

TABLE 3 Number of inflexion points Inflexion point position 1 Inflexionpoint position 2 Inflexion point position 3 Inflexion point position 4P1R1 1 0.375 / / / P1R2 1 0.685 / / / P2R1 2 0.145 0.715 / / P2R2 10.855 / / / P3R1 2 0.785 0.935 / / P3R2 1 0.765 / / / P4R1 2 0.115 0.785/ / P4R2 4 0.425 0.685 0.965 1.405 P5R1 3 0.485 1.285 1.945 / P5R2 20.605 2.505 / /

TABLE 4 Number of arrest points Arrest point position 1 Arrest pointposition 2 P1R1 1 0.565 / P1R2 0 / / P2R1 1 0.255 / P2R2 0 / / P3R1 0 // P3R2 1 1.065 / P4R1 2 0.205 1.265 P4R2 0 / / P5R1 1 0.875 / P5R2 11.595 /

FIG. 2 and FIG. 3 respectively illustrate a longitudinal aberration anda lateral color of light with wavelengths of 650 nm, 610 nm, 555 nm, 510nm, 470 nm and 435 nm after passing the camera optical lens 10 accordingto Embodiment 1. FIG. 4 illustrates a field curvature and a distortionof light with a wavelength of 555 nm after passing the camera opticallens 10 according to Embodiment 1, in which a field curvature S is afield curvature in a sagittal direction and T is a field curvature in atangential direction.

Table 21 in the following shows various values of Embodiments 1, 2, 3,4and Comparative Embodiment, and also values corresponding to parameterswhich are specified in the above conditions. As shown in Table 21,Embodiment 1 satisfies the above conditions.

In the present embodiment, the entrance pupil diameter (ENPD) of thecamera optical lens 10 is 1.087 mm. The image height of 1.0H is 2.934mm. The FOV is 104.80 °. Thus, the camera optical lens 10 satisfiesdesign requirements of large aperture, ultra-thin and wide-angle whilethe on-axis and off-axis aberrations are sufficiently corrected, therebyachieving excellent optical characteristics.

Embodiment 2

Embodiment 2 is basically the same as Embodiment 1, the meaning of itssymbols is the same as that of Embodiment 1, in the following, only thedifferences are listed.

FIG. 5 shows a schematic diagram of a structure of a camera optical lens20 according to Embodiment 2 of the present invention. Table 5 and table6 show the design data of a camera optical lens 20 in Embodiment 2 ofthe present invention.

TABLE 5 R d nd vd S1 ∞ d0= 0.021 R1 4.015 d1= 0.302 nd1 1.5444 v1 55.95R2 -353.138 d2= 0.218 R3 5.141 d3= 0.658 nd2 1.5444 v2 55.95 R4 -5.141d4= 0.230 R5 -1.498 d5= 0.318 nd3 1.6700 v3 19.24 R6 -3.975 d6= 0.032 R7-1.962 d7= 0.496 nd4 1.5444 v4 55.95 R8 -0.971 d8= 0.030 R9 0.843 d9=0.528 nd5 1.5346 v5 56.12 R10 0.605 d10= 0.872 R11 ∞ d11= 0.210 ndg1.5168 vg 64.17 R12 ∞ d12= 0.219

Table 6 shows aspherical surface data of each lens of the camera opticallens 20 in Embodiment 2 of the present invention.

TABLE 6 Conic coefficient Aspheric surface coefficients k A4 A6 A8 A10A12 R1 -1.6959E+02 1.3905E-01 -1.4753E+00 2.0495E+00 4.4141E+01-5.0625E+02 R2 -4.7335E+05 -3.4618E-01 5.2685E-01 -9.2451E+00 6.8930E+01-3.0024E+02 R3 3.2470E+01 -2.5094E-01 2.8633E-01 -2.8678E+00 1.2906E+01-4.1096E+01 R4 -1.1983E+02 -4.8794E-01 6.5201E-01 1.5607E+00 -1.5148E+014.7405E+01 R5 1.0529E+00 -1.3294E+00 3.2466E+00 2.9309E+00 -3.4514E+019.3711E+01 R6 -9.3167E+01 -7.7070E-01 1.8840E+00 -3.1921E+00 3.3403E+00-1.9267E+00 R7 -5.0477E+01 8.1278E-01 -1.8802E+00 2.9184E+00 -3.2933E+002.5306E+00 R8 -2.7681E+00 3.0124E-01 -1.0335E-01 -3.1038E-02 -1.5853E-012.9458E-01 R9 -2.6419E+00 -1.7056E-01 1.6269E-01 -1.9380E-01 1.1359E-01-2.9826E-02 R10 -3.2183E+00 4.9932E-02 -1.2619E-01 8.9937E-02-3.6830E-02 9.6599E-03 Conic coefficient Aspheric surface coefficients kA14 A16 A18 A20 R1 -1.6959E+02 2.6377E+03 -7.5181E+03 1.1185E+04-6.7207E+03 R2 -4.7335E+05 7.6868E+02 -1.0829E+03 6.8235E+02 -6.5973E+01R3 3.2470E+01 8.8408E+01 -1.1346E+02 7.5808E+01 -1.9715E+01 R4-1.1983E+02 -8.5290E+01 9.2133E+01 -5.4795E+01 1.3678E+01 R5 1.0529E+00-1.4077E+02 1.2691E+02 -6.4244E+01 1.4057E+01 R6 -9.3167E+01 5.0293E-01-7.7420E-02 7.1520E-02 -2.6483E-02 R7 -5.0477E+01 -1.2489E+00 3.6371E-01-5.1655E-02 1.8197E-03 R8 -2.7681E+00 -2.1416E-01 8.6985E-02 -2.0014E-022.0164E-03 R9 -2.6419E+00 1.3682E-03 1.0723E-03 -2.3949E-04 1.6136E-05R10 -3.2183E+00 -1.6479E-03 1.7700E-04 -1.0872E-05 2.9113E-07

Table 7 and table 8 show design data of inflexion points and arrestpoints of respective lens in the camera optical lens 20 according toEmbodiment 2 of the present invention.

TABLE 7 Number of inflexion points Inflexion point position 1 Inflexionpoint position 2 Inflexion point position 3 Inflexion point position 4P1R1 1 0.315 / / / P1R2 0 / / / / P2R1 2 0.285 0.795 / / P2R2 1 0.975 // / P3R1 1 0.895 / / / P3R2 1 1.055 / / / P4R1 2 0.195 0.765 / / P4R2 40.475 0.855 1.125 1.385 P5R1 2 0.615 1.535 / / P5R2 2 0.725 2.605 / /

TABLE 8 Number of arrest points Arrest point position 1 Arrest pointposition 2 P1R1 1 0.495 / P1R2 0 / / P2R1 1 0.465 / P2R2 0 / / P3R1 0 // P3R2 0 / / P4R1 2 0.385 1.065 P4R2 0 / / P5R1 1 1.175 / P5R2 1 2.555 /

FIG. 6 and FIG. 7 respectively illustrate a longitudinal aberration anda lateral color of light with wavelengths of 650 nm, 610 nm, 555 nm, 510nm, 470 nm and 435 nm after passing the camera optical lens 20 accordingto Embodiment 2. FIG. 8 illustrates a field curvature and a distortionof light with a wavelength of 555 nm after passing the camera opticallens 10 according to Embodiment 2, in which a field curvature S is afield curvature in a sagittal direction and T is a field curvature in atangential direction.

As shown in Table 21, Embodiment 2 satisfies the above conditions.

In the present embodiment, an entrance pupil diameter (ENPD) of thecamera optical lens is 1.066 mm. An image height of 1.0H is 2.934 mm. AnFOV is 104.80 °. Thus, the camera optical lens 20 satisfies designrequirements of large aperture, ultra-thin and wide-angle while theon-axis and off-axis aberrations are sufficiently corrected, therebyachieving excellent optical characteristics.

Embodiment 3

Embodiment 3 is basically the same as Embodiment 1 and involves symbolshaving the same meanings as Embodiment 1, and only differencestherebetween will be described in the following.

Tables 9 and 10 show design data of a camera optical lens 30 inEmbodiment 3 of the present invention.

TABLE 9 R d nd vd S1 ∞ d0= 0.036 R1 2.544 d1= 0.551 nd1 1.5444 v1 55.95R2 -4.095 d2= 0.151 R3 112.825 d3= 0.340 nd2 1.5444 v2 55.95 R4-5527.620 d4= 0.170 R5 -1.618 d5= 0.206 nd3 1.6700 v3 19.24 R6 -6.716d6= 0.064 R7 -15.501 d7= 0.663 nd4 1.5444 v4 55.95 R8 -1.040 d8= 0.030R9 0.921 d9= 0.471 nd5 1.5346 v5 56.12 R10 0.572 d10= 0.672 R11 ∞ d11=0.210 ndg 1.5168 vg 64.17 R12 ∞ d12= 0.168

Table 10 shows aspherical surface data of each lens of the cameraoptical lens 30 in Embodiment 3 of the present invention.

TABLE 10 Conic coefficient Aspheric surface coefficients k A4 A6 A8 A10A12 R1 -5.2536E+01 2.9121E-01 -2.2552E+00 1.7222E+01 -1.4231E+028.0808E+02 R2 3.0420E+01 -4.7004E-01 6.3877E-01 -4.3905E+00 1.3274E+012.5553E+00 R3 -2.1720E+05 -6.8306E-01 1.7723E+00 -1.6682E+01 1.0352E+02-4.5132E+02 R4 -1.1120E+05 -7.7319E-01 2.2235E+00 -7.7792E+00 2.1649E+01-4.0976E+01 R5 9.7029E-01 -1.7667E+00 6.0117E+00 -1.2196E+01 2.7992E+01-6.6944E+01 R6 -3.5469E+02 -1.3470E+00 5.0141E+00 -1.7053E+01 4.7013E+01-9.1405E+01 R7 2.3629E+01 5.7419E-01 -1.4764E+00 1.8884E+00 -9.2764E-01-1.3493E+00 R8 -1.9331E+00 1.7638E-01 5.6022E-01 -1.9206E+00 2.7109E+00-2.3144E+00 R9 -5.1141E+00 3.8687E-02 -4.1039E-01 4.6437E-01 -3.4576E-011.7332E-01 R10 -2.7314E+00 -1.1883E-01 2.2257E-02 1.4323E-02 -1.2183E-024.2843E-03 Conic coefficient Aspheric surface coefficients k A14 A16 A18A20 R1 -5.2536E+01 -2.8159E+03 5.3267E+03 -4.1665E+03 -8.5126E+01 R23.0420E+01 -1.4847E+02 4.7142E+02 -6.6436E+02 3.7420E+02 R3 -2.1720E+051.3033E+03 -2.3455E+03 2.3526E+03 -1.0067E+03 R4 -1.1120E+05 4.0211E+01-1.1130E+01 -1.0128E+01 5.9939E+00 R5 9.7029E-01 1.1709E+02 -1.2609E+027.4281E+01 -1.8304E+01 R6 -3.5469E+02 1.1938E+02 -9.7951E+01 4.5064E+01-8.8146E+00 R7 2.3629E+01 2.9642E+00 -2.4634E+00 1.0101E+00 -1.7014E-01R8 -1.9331E+00 1.2466E+00 -3.9767E-01 6.5372E-02 -3.9630E-03 R9-5.1141E+00 -5.3546E-02 9.5642E-03 -8.9197E-04 3.2751E-05 R10-2.7314E+00 -8.5385E-04 9.8624E-05 -6.0507E-06 1.4840E-07

Table 11 and table 12 show Embodiment 3 design data of inflexion pointsand arrest points of respective lens in the camera optical lens 30according to Embodiment 3 of the present invention.

TABLE 11 Number of inflexion points Inflexion point position 1 Inflexionpoint position 2 Inflexion point position 3 Inflexion point position 4P1R1 1 0.395 / / / P1R2 0 / / / / P2R1 1 0.035 / / / P2R2 0 / / / / P3R11 0.585 / / / P3R2 1 0.655 / / / P4R1 2 0.105 0.575 / / P4R2 2 1.1051.315 / / P5R1 3 0.495 1.375 1.935 / P5R2 1 0.585 / / /

TABLE 12 Number of arrest points Arrest point position 1 Arrest pointposition 2 Arrest point position 3 P1R1 0 / / / P1R2 0 / / / P2R1 10.055 / / P2R2 0 / / / P3R1 0 / / / P3R2 1 0.875 / / P4R1 2 0.175 0.815/ P4R2 0 / / / P5R1 3 0.915 1.815 1.985 P5R2 1 1.735 / /

FIG. 10 and FIG. 11 respectively illustrate a longitudinal aberrationand a lateral color of light with wavelengths of 650 nm, 610 nm, 555 nm,510 nm, 470 nm and 435 nm after passing the camera optical lens 30according to Embodiment 3. FIG. 12 illustrates a field curvature and adistortion of light with a wavelength of 555 nm after passing the cameraoptical lens 30 according to Embodiment 3, in which a field curvature Sis a field curvature in a sagittal direction and T is a field curvaturein a tangential direction.

Table 21 in the following lists values corresponding to the respectiveconditions. In the present Embodiment 3 in order to satisfy the aboveconditions.

In the present embodiment, an entrance pupil diameter (ENPD) of thecamera optical lens is 0.980 mm. An image height of 1.0 H is 2.934 mm.An FOV is 104.80°. Thus, the camera optical lens 30 satisfies designrequirements of large aperture, ultra-thin and wide-angle while theon-axis and off-axis aberrations are sufficiently corrected, therebyachieving excellent optical characteristics.

Embodiment 4

Embodiment 4 is basically the same as Embodiment 1 and involves symbolshaving the same meanings as Embodiment 1, and only differencestherebetween will be described in the following.

FIG. 13 shows a schematic diagram of a structure of a camera opticallens 40 according to Embodiment 4 of the present invention. A secondlens L2 has a negative refractive power. The second lens L2 has anobject side surface being concave in a paraxial region, and an imageside surface being concave in the paraxial region. Tables 13 and 14 showdesign data of a camera optical lens 40 in Embodiment 4 of the presentinvention.

TABLE 13 R d nd vd S1 ∞ d0= -0.006 R1 3.907 d1= 0.457 nd1 1.5444 v155.95 R2 -4.711 d2= 0.215 R3 -1273.571 d3= 0.519 nd2 1.5444 v2 55.95 R42839.786 d4= 0.201 R5 -1.538 d5= 0.200 nd3 1.6700 v3 19.24 R6 -4.183 d6=0.030 R7 -7.328 d7= 0.533 nd4 1.5444 v4 55.95 R8 -0.959 d8= 0.030 R90.674 d9= 0.333 nd5 1.5346 v5 56.12 R10 0.483 d10= 0.672 R11 ∞ d11=0.210 ndg 1.5168 vg 64.17 R12 ∞ d12= 0.474

Table 14 shows aspherical surface data of each lens of the cameraoptical lens 40 in Embodiment 4 of the present invention.

TABLE 14 Conic coefficient Aspheric surface coefficients k A4 A6 A8 A10A12 R1 -7.9625E+01 -1.0060E-03 1.1082E+00 -3.6556E+01 4.8754E+02-3.9612E+03 R2 4.4980E+01 -2.8345E-01 2.5183E-01 -3.2766E+00 2.3274E+01-9.6548E+01 R3 -9.9000E+01 -4.3765E-01 1.3179E+00 -1.3792E+01 8.5526E+01-3.5176E+02 R4 1.9996E+02 -6.2346E-01 1.4516E+00 -3.2317E+00 2.2713E+005.1019E+00 R5 1.1326E+00 -1.6113E+00 5.2215E+00 -3.4673E+00 -2.4846E+019.4669E+01 R6 -5.9456E+01 -1.3134E+00 4.9309E+00 -1.3118E+01 2.4192E+01-3.0133E+01 R7 -1.2657E+00 6.3862E-01 -1.3996E+00 2.0283E+00 -2.0413E+001.4073E+00 R8 -2.3208E+00 1.9297E-01 5.6643E-03 4.2551E-02 -4.0900E-016.4562E-01 R9 -2.2693E+00 -2.2769E-01 1.2687E-01 -1.5524E-01 1.2006E-01-5.3544E-02 R10 -2.1980E+00 -1.2752E-01 6.1817E-03 2.9006E-02-1.8977E-02 6.3799E-03 Conic coefficient Aspheric surface coefficients kA14 A16 A18 A20 R1 -7.9625E+01 2.0228E+04 -6.3492E+04 1.1208E+05-8.5312E+04 R2 4.4980E+01 2.2723E+02 -2.3729E+02 -3.6466E+01 2.0261E+02R3 -9.9000E+01 9.3973E+02 -1.5521E+03 1.4324E+03 -5.7170E+02 R41.9996E+02 -1.4562E+01 1.3988E+01 -5.2393E+00 3.5882E-01 R5 1.1326E+00-1.6638E+02 1.6395E+02 -8.6428E+01 1.8956E+01 R6 -5.9456E+01 2.4657E+01-1.2497E+01 3.4950E+00 -3.9958E-01 R7 -1.2657E+00 -6.3151E-01 1.6892E-01-2.2724E-02 8.8527E-04 R8 -2.3208E+00 -4.6784E-01 1.7823E-01 -3.4792E-022.7542E-03 R9 -2.2693E+00 1.5401E-02 -2.8884E-03 3.1900E-04 -1.5496E-05R10 -2.1980E+00 -1.2990E-03 1.6002E-04 -1.0901E-05 3.1167E-07

Table 15 and table 16 show Embodiment 4 design data of inflexion pointsand arrest points of respective lens in the camera optical lens 40according to Embodiment 4 of the present invention.

TABLE 15 Number of inflexion points Inflexion point position 1 Inflexionpoint position 2 Inflexion point position 3 Inflexion point position 4P1R1 1 0.345 / / / P1R2 0 / / / / P2R1 0 / / / / P2R2 1 0.015 / / / P3R11 0.795 / / / P3R2 1 0.815 / / / P4R1 2 0.145 1.115 / / P4R2 2 0.5451.305 / / P5R1 3 0.545 1.465 1.925 / P5R2 1 0.585 / / /

TABLE 16 Number of arrest points Arrest point position 1 Arrest pointposition 2 P1R1 0 / / P1R2 0 / / P2R1 0 / / P2R2 1 0.015 / P3R1 0 / P3R21 1.055 / P4R1 2 0.255 1.305 P4R2 2 1.115 1.465 P5R1 1 1.065 / P5R2 11.705 /

FIG. 14 and FIG. 15 respectively illustrate a longitudinal aberrationand a lateral color of light with wavelengths of 650 nm, 610 nm, 555 nm,510 nm, 470 nm and 435 nm after passing the camera optical lens 30according to Embodiment 4. FIG. 16 illustrates a field curvature and adistortion of light with a wavelength of 555 nm after passing the cameraoptical lens 40 according to Embodiment 4, in which a field curvature Sis a field curvature in a sagittal direction and T is a field curvaturein a tangential direction.

Table 21 in the following lists values corresponding to the respectiveconditions. In the present Embodiment 4 in order to satisfy the aboveconditions.

In the present embodiment, an entrance pupil diameter (ENPD) of thecamera optical lens is 1.003 mm. An image height of 1.0 H is 2.934 mm.An FOV is 104.80°. Thus, the camera optical lens 40 satisfies designrequirements of large aperture, ultra-thin and wide-angle while theon-axis and off-axis aberrations are sufficiently corrected, therebyachieving excellent optical characteristics.

Comparative Embodiment

Comparative Embodiment is basically the same as Embodiment 1 andinvolves symbols having the same meanings as Embodiment 1, and onlydifferences therebetween will be described in the following.

FIG. 17 shows a schematic diagram of a structure of a camera opticallens 50 according to Comparative Embodiment. Tables 17 and 18 showdesign data of a camera optical lens 50 in Comparative Embodiment.

TABLE 17 R d nd vd S1 ∞ d0= 0.052 R1 3.509 d1= 0.288 nd1 1.5444 v1 55.95R2 -117.608 d2= 0.192 R3 5.461 d3= 0.619 nd2 1.5444 v2 55.95 R4 -5.461d4= 0.207 R5 -1.452 d5= 0.207 nd3 1.6700 v3 19.24 R6 -3.954 d6= 0.032 R7-1.850 d7= 0.372 nd4 1.5444 v4 55.95 R8 -0.727 d8= 0.030 R9 1.004 d9=0.358 nd5 1.5346 v5 56.12 R10 0.785 d10= 0.672 R11 ∞ d11= 0.210 ndg1.5168 vg 64.17 R12 ∞ d12= 0.371

Table 18 shows aspherical surface data of each lens of the cameraoptical lens 50 in Comparative Embodiment.

TABLE 18 Conic coefficient Aspheric surface coefficients k A4 A6 A8 A10A12 R1 -9.6840E+01 1.7209E-01 -5.0767E+00 9.4671E+01 -1.3097E+031.1576E+04 R2 -9.8955E+01 -4.5398E-01 1.3984E+00 -2.2145E+01 1.7222E+02-8.0504E+02 R3 4.9542E+01 -1.5644E-01 -2.6326E+00 2.2017E+01 -1.2942E+024.8246E+02 R4 -1.3448E+02 -7.0624E-01 3.5718E+00 -1.7957E+01 5.9222E+01-1.3814E+02 R5 1.1783E+00 -2.0929E+00 5.0860E+00 1.5373E+01 -1.2940E+023.7992E+02 R6 2.9529E+00 -1.0858E+00 1.9601E+00 1.3302E+00 -1.7500E+014.6486E+01 R7 -2.9911E+01 1.2511E+00 -3.3674E+00 6.8641E+00 -1.0739E+011.1628E+01 R8 -6.7737E+00 -3.0637E-02 1.8028E+00 -3.9140E+00 3.5751E+00-1.3800E+00 R9 -2.4868E+00 6.7273E-01 -2.3165E+00 3.9773E+00 -4.5879E+003.2614E+00 R10 -2.2120E+00 3.7014E-01 -9.0619E-01 8.5166E-01 -4.7556E-011.7126E-01 Conic coefficient Aspheric surface coefficients k A14 A16 A18A20 R1 -9.6840E+01 -6.4681E+04 2.2118E+05 -4.2177E+05 3.4262E+05 R2-9.8955E+01 2.2208E+03 -3.2575E+03 1.8373E+03 2.5674E+02 R3 4.9542E+01-1.1627E+03 1.7805E+03 -1.5810E+03 6.1747E+02 R4 -1.3448E+02 2.1793E+02-2.1404E+02 1.1533E+02 -2.5566E+01 R5 1.1783E+00 -6.1448E+02 5.7760E+02-2.9640E+02 6.4586E+01 R6 2.9529E+00 -6.4133E+01 4.9549E+01 -2.0195E+013.3754E+00 R7 -2.9911E+01 -8.1840E+00 3.5429E+00 -8.5234E-01 8.6509E-02R8 -6.7737E+00 -3.0612E-02 2.0445E-01 -6.2800E-02 6.2356E-03 R9-2.4868E+00 -1.3873E+00 3.4427E-01 -4.5967E-02 2.5520E-03 R10-2.2120E+00 -4.0115E-02 5.9021E-03 -4.9517E-04 1.8047E-05

Table 19 and table 20 show Comparative Embodiment design data ofinflexion points and arrest points of respective lens in the cameraoptical lens 50 according to Comparative Embodiment.

TABLE 19 Number of inflexion points Inflexion point position 1 Inflexionpoint position 2 Inflexion point position 3 Inflexion point position 4P1R1 1 0.315 / / / P1R2 0 / / / / P2R1 1 0.235 / / / P2R2 0 / / / / P3R11 0.795 / / / P3R2 1 0.895 / / / P4R1 2 0.185 0.775 / / P4R2 2 0.3451.265 / / P5R1 2 0.605 1.275 / / P5R2 1 0.665 / / /

TABLE 20 Number of arrest points Arrest point position 1 Arrest pointposition 2 P1R1 0 / / P1R2 0 / / P2R1 1 0.675 / P2R2 0 / / P3R1 1 0.205/ P3R2 1 0.155 / P4R1 1 0.935 / P4R2 0 / / P5R1 1 0.955 / P5R2 1 1.185 /

FIG. 18 and FIG. 19 respectively illustrate a longitudinal aberrationand a lateral color of light with wavelengths of 650 nm, 610 nm, 555 nm,510 nm, 470 nm and 435 nm after passing the camera optical lens 50according to Comparative Embodiment. FIG. 20 illustrates a fieldcurvature and a distortion of light with a wavelength of 555 nm afterpassing the camera optical lens 50 according to Comparative Embodiment,in which a field curvature S is a field curvature in a sagittaldirection and T is a field curvature in a tangential direction.

Table 21 in the following lists values corresponding to the respectiveconditions. Comparative Embodiment does not satisfy the above conditions1.20≤f1/f≤3.00.

In the present embodiment, an entrance pupil diameter (ENPD) of thecamera optical lens is 0.858 mm. An image height of 1.0 H is 2.934 mm.An FOV is 104.80°. Thus, the camera optical lens 50 does not satisfydesign requirements of large aperture, ultra-thin and wide-angle.

TABLE 21 Parameters and conditions Embodiment 1 Embodiment 2 Embodiment3 Embodiment 4 Comparative Embodiment f1/f 1.816 2.980 1.320 1.736 3.179f5/f -3.362 -7.277 -2.375 -3.541 -7.999 d5/d6 7.667 9.938 3.219 6.6676.469 (R3+R4)/(R3-R4) -0.080 0.000 -0.960 -0.381 0.000 f 2.488 2.4402.242 2.295 1.964 f1 4.518 7.270 2.960 3.985 6.243 f2 10.359 4.815202.445 -1609.760 5.102 f3 -4.273 -3.750 -3.206 -3.710 -3.510 f4 2.8242.992 2.009 1.961 1.965 f5 -8.364 -17.756 -5.324 -8.126 -15.710 f123.268 3.056 2.923 3.994 2.958 FNO 2.289 2.289 2.288 2.288 2.289 TTL3.970 4.113 3.696 3.874 3.558

It is to be understood, however, that even though numerouscharacteristics and advantages of the present exemplary embodiments havebeen set forth in the foregoing description, together with details ofthe structures and functions of the embodiments, the disclosure isillustrative only, and changes may be made in detail, especially inmatters of shape, size, and arrangement of parts within the principlesof the invention to the full extent indicated by the broad generalmeaning of the terms where the appended claims are expressed.

What is claimed is:
 1. A camera optical lens comprising, from an objectside to an image side in sequence: a first lens having a positiverefractive power, a second lens having a refractive power, a third lenshaving a negative refractive power, a fourth lens having a positiverefractive power, and a fifth lens having a negative refractive power;wherein the camera optical lens satisfies the following conditions:1.20 ≤ f1/f ≤ 3.00; -8.00 ≤ f5/f ≤ -2.00; 3.00 ≤ d5/d6 ≤ 10.00; and-1.00 ≤ (R3+R4)/(R3-R4) ≤ 0; where, f: a focal length of the cameraoptical lens; f1: a focal length of the first lens; R3: a centralcurvature radius of an object side surface of the second lens; R4: acentral curvature radius of an image side surface of the second lens;d5: an on-axis thickness of the third lens; d6: an on-axis distance froman image side surface of the third lens to an object side surface of thefourth lens; and f5: a focal length of the fifth lens.
 2. The cameraoptical lens according to claim 1 further satisfying the followingcondition: 2.00≤R7/R8≤15.00; where, R7: a central curvature radius ofthe object side surface of the fourth lens; and R8: a central curvatureradius of an image side surface of the fourth lens.
 3. The cameraoptical lens according to claim 1, wherein, the first lens has an objectside surface being convex in a paraxial region and an image side surfacebeing convex in the paraxial region; the camera optical lens furthersatisfies the following conditions: -1.96 ≤ (R1+R2)/(R1-R2) ≤ -0.06; and0.04 ≤ d1/TTL ≤ 0.22; where, R1: a central curvature radius of theobject side surface of the first lens; R2: a central curvature radius ofthe image side surface of the first lens; d1: an on-axis thickness ofthe first lens; and TTL: a total optical length from the object sidesurface of the first lens of the camera optical lens to an image surfaceof the camera optical lens along an optical axis.
 4. The camera opticallens according to claim 1 further satisfying the following conditions:f2/f ≤ 135 . 44 ; and 0 . 05 ≤ d3/TTL ≤ 0 . 24 ; where, f2: a focallength of the second lens; d3: an on-axis thickness of the second lens;and TTL: a total optical length from an object side surface of the firstlens of the camera optical lens to an image surface of the cameraoptical lens along an optical axis.
 5. The camera optical lens accordingto claim 1, wherein, the third lens has an object side surface beingconcave in a paraxial region and the image side surface of the thirdlens is convex in the paraxial region; the camera optical lens furthersatisfies the following conditions: - 3 . 43 ≤ f3/f ≤ - 0 . 95 ;- 5 . 46 ≤ (R5+R6)/(R5-R6) ≤ - 1 . 09 ;  and 0.03 ≤ d5/TTL ≤ 0.12,where, f3: a focal length of the third lens; R5: a central curvatureradius of the object side surface of the third lens; R6: a centralcurvature radius of the image side surface of the third lens; and TTL: atotal optical length from an object side surface of the first lens ofthe camera optical lens to an image surface of the camera optical lensalong an optical axis.
 6. The camera optical lens according to claim 1,wherein, the object side surface of the fourth lens is concave in aparaxial region and the fourth lens has an image side surface beingconvex in the paraxial region; the camera optical lens further satisfiesthe following conditions: 0.43 ≤ f4/f ≤ 1.84;0.57 ≤ (R7+R8)/(R7-R8) ≤ 4.44; and 0.06 ≤ d7/TTL ≤ 0.27; where, f4: afocal length of the fourth lens; d7: an on-axis thickness of the fourthlens; R7: a central curvature radius of the object side surface of thefourth lens; and R8: a central curvature radius of the image sidesurface of the fourth lens; and TTL: a total optical length from anobject side surface of a first lens of the camera optical lens to animage surface of the camera optical lens along an optical axis.
 7. Thecamera optical lens according to claim 1, wherein, the fifth lens has anobject side surface being convex in a paraxial region and an image sidesurface being concave in the paraxial region; the camera optical lensfurther satisfies the following conditions:2.14 ≤ (R9+R10)/(R9-R10) ≤ 9.13; and 0.04 ≤ d9/TTL ≤ 0.25; where, R9: acentral curvature radius of the object side surface of the fifth lens;R10: a central curvature radius of the image side surface of the fifthlens; d9: an on-axis thickness of the fifth lens; and TTL: a totaloptical length from an object side surface of a first lens of the cameraoptical lens to an image surface of the camera optical lens along anoptical axis.
 8. The camera optical lens according to claim 1 furthersatisfying the following condition: 0.63≤f12/f≤2.61; where, f12: acombined focal length of the first lens and the second lens.
 9. Thecamera optical lens according to claim 1 further satisfying thefollowing condition: FOV≥102.7°; where, FOV: a field of view of thecamera optical lens in a diagonal direction.
 10. The camera optical lensaccording to claim 1 further satisfying following condition: TTL/IH ≤1.47; where, IH: an image height of the camera optical lens; and TTL: atotal optical length from an object side surface of the first lens ofthe camera optical lens to an image surface of the camera optical lensalong an optical axis.